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Biology, 29.10.2019 04:31 Randy11111

Acertain type of hummingbird is known to have an average weight of 4.55 grams. a researcher wonders if hummingbirds (of this same type) living in the grand canyon differ in weight from the population as a whole. the researcher finds a sample of 30 such hummingbirds from the grand canyon and calculates their average weight to be 3.75 grams.

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Acertain type of hummingbird is known to have an average weight of 4.55 grams. a researcher wonders...
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